Bicycle stem



FIG. 1 is a perspective view of a bicycle stem, showing my new design inwhich the ends are connected by a tube shown in broken lines which formno part of the claimed design;

FIG. 2 is a rear elevational view thereof on a reduced scale;

FIG. 3 is a front elevational view thereof on a reduced scale,

FIG. 4 is a side elevational view thereof on a reduced scale, of whichthe opposite side is a mirror image;

FIG. 5 is a bottom plan view thereof on a reduced scale; and,

FIG. 6 is a top plan view thereof on a reduced scale.

The ornamental design for a bicycle stem, as shown and described.